Multi-channel pipette including a piston holder with guidance

Details Multi-channel pipette including a piston holder with guidance Multi-channel pipette including a piston holder with guidance

B - Operations, Transporting

01

L

B01L 3/02 (2006.01) G01N 35/10 (2006.01)

Patent

CA 2698805

A device for use in a multi -channel pipetting system is provided. The device includes a body, a plurality of modules mounted to the body (16), a plurality of pistons (20) mounted to a piston holder (22) for simultaneous movement of the plurality of pistons in a first direction (18), and a guidance assembly. Each module includes an orifice connecting to an intake chamber. A piston extends into the intake chamber for movement in the first direction. The guidance assembly includes a first rotating element (52), a second rotating element, a shaft (56) connecting the first rotating element to the second rotating element, and a first track (54) and a second track extending parallel to the first direction. The shaft extends in a second direction orthogonal to the first direction. The first rotating element is mounted to roll along the first track, and the second rotating element is mounted to roll along the second track simultaneously with the plurality of pistons.

La présente invention concerne un dispositif à utiliser dans un système de pipetage à canaux multiples. Le dispositif comprend un corps, une pluralité de modules montés sur le corps (16), une pluralité de pistons (20) montés sur un support de piston pour un mouvement simultané de la pluralité de pistons dans une première direction (18), et un ensemble de guidage. Chaque module comprend un orifice se raccordant à une chambre d'admission. Un piston s'étend dans la chambre d'admission pour un mouvement dans la première direction. L'ensemble de guidage comprend un premier élément rotatif (52), un second élément rotatif, un arbre (56) raccordant le premier élément rotatif au second élément rotatif, et une première piste (54) et une seconde piste s'étendant parallèlement à la première direction. L'arbre s'étend dans une seconde direction orthogonale à la première direction. Le premier élément rotatif est monté pour rouler le long de la première piste et le second élément rotatif est monté pour rouler le long de la seconde piste simultanément avec la pluralité de pistons.

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